<?php

/**
 * @file
 * Contains a Views field handler to take care of displaying links to entities
 * as fields.
 */

class entityform_handler_link_field extends views_handler_field_entity {
  function construct() {
    parent::construct();

    $this->additional_fields['entityform_id'] = 'entityform_id';
    $this->additional_fields['type'] = 'type';
  }

  function option_definition() {
    $options = parent::option_definition();

    $options['text'] = array(
      'default' => '',
      'translatable' => TRUE,
    );

    return $options;
  }

  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);

    $form['text'] = array(
      '#type' => 'textfield',
      '#title' => t('Text to display'),
      '#default_value' => $this->options['text'],
    );
  }

  function query() {
    $this->ensure_my_table();
    $this->add_additional_fields();
  }

  function render($values) {
    if ($entity = $this->get_value($values)) {
      $uri = entity_uri($this->entity_type, $entity);
      return $this->render_link($entity, 'view', $uri, t('view'));
    }
  }

  protected function create_dummyentityform($values) {
    $dummy_entityform = new stdClass();
    $dummy_entityform->type = $values->{$this->aliases['type']};
    if (isset($this->additional_fields['uid'])) {
      $dummy_entityform->uid = $values->{$this->aliases['uid']};
    }
    return $dummy_entityform;
  }
  /**
   * Render whatever the data is as a link to the node.
   *
   * Data should be made XSS safe prior to calling this function.
   */
  function render_link($entity, $op, $uri, $text) {
    if (entity_access($op, $this->entity_type, $entity)) {
      $this->options['alter']['make_link'] = TRUE;
      $this->options['alter']['path'] = $uri['path'];
      $this->options['alter']['options'] = $uri['options'];
      $text = !empty($this->options['text']) ? $this->options['text'] : $text;
      return $text;
    }
  }
}